CN217703281U

CN217703281U - Tool for disassembling gear box

Info

Publication number: CN217703281U
Application number: CN202221965472.7U
Authority: CN
Inventors: 黄巍; 陆宇捷
Original assignee: Loteem Beijing Rail Transit Technology Co Ltd
Current assignee: Loteem Beijing Rail Transit Technology Co Ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-01
Anticipated expiration: 2032-07-28

Abstract

The utility model discloses a tool for disassembling a gear box, which comprises a hydraulic station, a first supporting roller, a second supporting roller and a third supporting roller; the first supporting roller, the second supporting roller and the third supporting roller respectively comprise a base, a hydraulic cylinder, guide posts, a dust cover and a V-shaped support, a rectangular through groove is formed in the base, a fixing frame is arranged in the through groove, the bottom of the hydraulic cylinder is mounted on the fixing frame, one end of a piston rod is embedded into the hydraulic cylinder, the other end of the piston rod penetrates through the base and is connected with the bottom of the V-shaped support, the guide posts are arranged on two sides of the piston rod, one end of each guide post is connected with the bottom of the V-shaped support, and the other end of each guide post is inserted into the base; one end of the dust cover is connected with the bottom of the V-shaped support, the other end of the dust cover is connected with the top of the base, and a cushion block is embedded into the V-shaped support; the hydraulic station is communicated with the hydraulic cylinder. The utility model provides a frock is applicable to the operation of disassembling of different motorcycle type gear boxes, and the commonality is strong.

Description

Tool for disassembling gear box

Technical Field

The utility model relates to a motor car overhauls technical field, specifically is a frock for disassembling gear box.

Background

With the development of the rail transit industry, the types of high-speed motor train units such as rejuvenated numbers, harmony numbers and the like have already entered the Chinese and international markets in batches, and meanwhile, the development is towards a faster, safer and more reliable direction. The gearbox is used as a core component on a power bogie of the high-speed motor train unit, is a core unit for energy conversion and transmission of the high-speed motor train unit, directly influences the safety and reliability of the operation of the high-speed train, and is very important for the disassembly operation of the gearbox.

In a workshop of a motor train unit production plant, gear box disassembling equipment usually adopts a hand wheel lead screw mechanism, and the height of a support is adjusted by rotating a hand wheel, so that the horizontal state of a gear box shaft on the support and the lifting of the support in the disassembling process are realized. This approach is inefficient and presents a potential safety hazard if not operated properly. Therefore, a device capable of automatically adjusting the level of a gear box shaft and lifting a support in the operation process and adapting to the operation of gear boxes of various vehicle types is needed, so that the convenience and the universality of the disassembly operation of the gear boxes are improved, and the field work efficiency and the management level are improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can adapt to the equipment of multiple EMUs train gear box disassembling operation, improve the gear box and disassemble the operating efficiency, reduce the field management degree of difficulty, have higher commonality.

The utility model provides a tool for disassembling a gear box, which comprises a hydraulic station, a first supporting roller, a second supporting roller and a third supporting roller;

the first supporting roller, the second supporting roller and the third supporting roller respectively comprise a base, a hydraulic cylinder, guide posts, a dust cover and a V-shaped support, a rectangular through groove is formed in the base, a fixing frame is arranged in the through groove, the bottom of the hydraulic cylinder is mounted on the fixing frame, one end of a piston rod is embedded into the hydraulic cylinder, the other end of the piston rod penetrates through the base and is connected with the bottom of the V-shaped support, the guide posts are arranged on two sides of the piston rod, one end of each guide post is connected with the bottom of the V-shaped support, and the other end of each guide post is inserted into the base; one end of the dust cover is connected with the bottom of the V-shaped support, the other end of the dust cover is connected with the top of the base, and a cushion block is embedded into the V-shaped support;

the first supporting roller and the third supporting roller also cover a semicircular upper cover, one end of the upper cover is connected with one end of the V-shaped support through a pin shaft, and the other end of the upper cover is connected with the other end of the V-shaped support through a quick-release pin;

the hydraulic station is communicated with the hydraulic cylinder.

Further, the dust cover is an organ dust cover.

Furthermore, two sleeves are arranged in the through groove, and the tail ends of the guide posts are inserted into the sleeves.

Further, the bottom of the cushion block is inserted with a gasket.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a frock, through the mode that adopts hydraulic control backing roll automatic rising, through the mode of cushion adaptation diameter of axle, through the mode of gasket adjustment support height, realized that different motorcycle type gear boxes can both use this equipment efficient to carry out the gear box and disassemble the operation, have higher commonality, not only the scene is arranged neatly, the field administration of still being convenient for improves the availability factor in site space and place, reduces personnel's the management degree of difficulty.

Drawings

FIG. 1 is a schematic structural view of a tool for disassembling a gearbox according to the present invention;

fig. 2 is a front view of the first support roller of the present invention;

fig. 3 is a side view of the first support roller of the present invention;

fig. 4 is a schematic structural diagram of the cushion block of the present invention.

In the figure: 1. a hydraulic station; 2. a first support roller; 21. a base; 22. a hydraulic cylinder; 23. a guide post; 24. a dust cover; 25. a V-shaped support; 26. a through groove; 27. a fixed mount; 28. a piston rod; 30. a cushion block; 31. a sleeve; 3. a second support roller; 4. a third support roller; 5. and (7) covering.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

The utility model provides a frock for disassembling gear box, as shown in fig. 1-4, this frock includes hydraulic pressure station 1 and first backing roll 2, second backing roll 3, third backing roll 4.

The first supporting roller 2, the second supporting roller 3 and the third supporting roller 4 respectively comprise a base 21, a hydraulic cylinder 22, a guide column 23, a dust cover 24 and a V-shaped support 25, a rectangular through groove 26 is formed in the base 21, a fixing frame 27 is arranged in the through groove 26, the bottom of the hydraulic cylinder 22 is mounted on the fixing frame 27, preferably, one end of a piston rod 28 is embedded into the hydraulic cylinder 22, the other end of the piston rod passes through the base 21 to be connected with the bottom of the V-shaped support 25, the guide columns 23 are arranged on two sides of the piston rod 28, one end of each guide column 23 is connected with the bottom of the V-shaped support 25, and the other end of each guide column 23 is inserted into the base 21; one end of the dust cover 24 is connected with the bottom of the V-shaped support 25, the other end of the dust cover is connected with the top of the base 21, the dust cover 24 is sleeved on the peripheries of the guide column 23 and the piston rod 28, and the cushion block 30 is embedded into the V-shaped support 25.

Preferably, the cross section of the V-shaped support 25 is a U-shaped structure, and vertical plates are arranged at two ends of the V-shaped support for limiting two sides of the cushion block 30, and the V-shaped support 25 is inserted into the top of the cushion block 30, so that other surfaces of the cushion block 30 are fixed, and the cushion block 30 is fixed. A gap is reserved at the bottom of the vertical plate at one side, so that the gasket can be conveniently inserted. The cushion block 30 is made of nylon and used for supporting the gear box.

The first supporting roller 2 and the third supporting roller 4 further cover the semicircular upper cover 5, one end of the upper cover 5 is connected with one end of the V-shaped support 25 through a pin shaft, and the other end of the upper cover 5 is connected with the other end of the V-shaped support 25 through a quick-release pin. When the quick-release type gearbox support roller is used, the quick-release pin is opened, the upper cover 5 is turned, the gearbox is placed on the cushion block 30 of the V-shaped support 25, then the quick-release pin is closed, the gearbox is fixed in the support roller, and quick opening and closing can be achieved.

The hydraulic stations 1 are respectively in communication with the hydraulic cylinders 22 of the three support rollers.

In order to fix the gear box, the first supporting roller 2, the second supporting roller 3 and the third supporting roller 4 are arranged in a straight line and are respectively used for fixing two ends and the middle of the gear box.

Specifically, the dust cover 24 is an organ dust cover which can be extended and retracted, when the piston rod 28 is extended and retracted, the distance between the base 21 and the V-shaped support 25 is adjusted accordingly, and the organ dust cover is extended and retracted accordingly, so that a dust prevention effect is achieved.

Specifically, two sleeves 31 are arranged in the through groove 26, and the tail ends of the guide posts 23 are inserted into the sleeves 31.

Specifically, a gasket is inserted into the bottom of the cushion block 30, and the height is adjusted by the gasket.

And an annular pad is arranged on the periphery of the pin shaft and used for increasing the gap between the upper cover 5 and the V-shaped support 25, so that the tail end of the upper cover on the quick-release pin side can be inserted into the V-shaped support 25 more easily.

The tool further comprises an iron chain, and the iron chain is used for connecting the quick-release pin with the V-shaped support 25, so that the quick-release pin is prevented from being lost.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A tool for disassembling a gearbox is characterized by comprising a hydraulic station (1), a first supporting roller (2), a second supporting roller (3) and a third supporting roller (4);

the first supporting roller (2), the second supporting roller (3) and the third supporting roller (4) respectively comprise a base (21), a hydraulic cylinder (22), guide columns (23), a dust cover (24) and a V-shaped support (25), a rectangular through groove (26) is formed in the base (21), a fixing frame (27) is arranged in the through groove (26), the bottom of the hydraulic cylinder (22) is installed on the fixing frame (27), one end of a piston rod (28) is embedded into the hydraulic cylinder (22), the other end of the piston rod penetrates through the base (21) to be connected with the bottom of the V-shaped support (25), the guide columns (23) are arranged on two sides of the piston rod (28), one end of each guide column (23) is connected with the bottom of the V-shaped support (25), and the other end of each guide column is inserted into the base (21); one end of the dust cover (24) is connected with the bottom of the V-shaped support (25), the other end of the dust cover is connected with the top of the base (21), and a cushion block (30) is embedded into the V-shaped support (25);

the first supporting roller (2) and the third supporting roller (4) also cover a semicircular upper cover (5), one end of the upper cover (5) is connected with one end of the V-shaped support (25) through a pin shaft, and the other end of the upper cover (5) is connected with the other end of the V-shaped support (25) through a quick-release pin;

the hydraulic station (1) is communicated with a hydraulic cylinder (22).

2. Tooling for disassembling gearboxes according to claim 1, characterized in that said dust covers (24) are organ dust covers.

3. Tooling for disassembling gearboxes according to claim 1, characterized in that two sleeves (31) are provided in the through slot (26), the ends of the guide posts (23) being inserted in the sleeves (31).

4. Tooling for disassembling gearboxes according to claim 1, characterized in that the bottom of the spacer (30) is inserted with a gasket.